IEEE Std 1459-2000 pdf download,IEEE Trial-Use Standard Definitions for the Measurement of Electric Power Quantities Under Sinusoidal,Nonsinusoidal,Balanced,or Unbalanced Conditions. This is a trial-use standard for definitions used for measurement of electric powerquantities under sinusoidal,nonsinusoidal,balanced,or unbalanced conditions.It lists themathematical expressions that were used in the past,as well as new expressions,and explainsthe features of the new definitions. Keywords:active power,apparent power,nonactive power,power factor,reactive power,totalharmonic distortion This trial-use standard is divided into three clauses.Clause 1 lists the scope of this document.Clause 2 listsreferences to other standards that are useful in applying this trial-use standard.Clause 3 provides the defini-tions,among which there are several new expressions....